Royce & Associates LP
- SEC CIK
- 0000906304
- Latest filing
- Aug 14, 2026
AMPH holding history
Amphastar Pharmaceuticals, Inc. in every 13F filed by Royce & Associates LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
AMPH overviewAll 13F holders of AMPHFull Q2 2026 holdings
- Shares (Q2 2026)
- 294,758
- Value
- $5.95M
- % of portfolio
- <0.1%
- Quarters held
- 13
- Since Q4 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 294,758 | $5.95M | <0.1% | −111,417−27.4% | Reduced | Holders |
| Q1 2026 | 406,175 | $7.96M | 0.1% | +53,878+15.3% | Added | Holders |
| Q4 2025 | 352,297 | $9.43M | 0.1% | −14,025−3.8% | Reduced | Holders |
| Q3 2025 | 366,322 | $9.76M | 0.1% | +83,135+29.4% | Added | Holders |
| Q2 2025 | 283,187 | $6.50M | 0.1% | +35,329+14.3% | Added | Holders |
| Q1 2025 | 247,858 | $7.19M | 0.1% | +238,956+2,684.3% | Added | Holders |
| Q4 2024 | 8,902 | $330.5K | <0.1% | −174−1.9% | Reduced | Holders |
| Q3 2024 | 9,076 | $440.5K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2024 | 9,076 | $363.0K | <0.1% | +9,076 | New | Holders |
| Q2 2023 | 0 | $0 | 0.0% | −22,315−100.0% | Sold out | Holders |
| Q1 2023 | 22,315 | $836.8K | <0.1% | +22,315 | New | Holders |
| Q3 2022 | 0 | $0 | 0.0% | −13,546−100.0% | Sold out | Holders |
| Q2 2022 | 13,546 | $471.0K | <0.1% | −7,354−35.2% | Reduced | Holders |
| Q1 2022 | 20,900 | $750.0K | <0.1% | +894+4.5% | Added | Holders |
| Q4 2021 | 20,006 | $466.0K | <0.1% | +20,006 | New | Holders |